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- "Print out the class inheritance hierarchy."
-
- "======================================================================
- |
- | Copyright (C) 1990, 1991 Free Software Foundation, Inc.
- | Written by Steve Byrne.
- |
- | This file is part of GNU Smalltalk.
- |
- | GNU Smalltalk is free software; you can redistribute it and/or modify it
- | under the terms of the GNU General Public License as published by the Free
- | Software Foundation; either version 1, or (at your option) any later version.
- |
- | GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
- | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
- | details.
- |
- | You should have received a copy of the GNU General Public License along with
- | GNU Smalltalk; see the file LICENSE. If not, write to the Free Software
- | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- |
- ======================================================================"
-
-
-
- !Behavior methodsFor: 'demo'!
-
- printHierarchy
- "I my entire subclassclass hierarchy on the terminal."
- self printSubclasses: 0
- !!
-
- !Behavior methodsFor: 'private'!
-
- printSubclasses: level
- "I print my name, and then all my subclasses, each indented according
- to its position in the hierarchy."
- | mySubclasses |
- self indentToLevel: level.
- self name printNl.
- mySubclasses _ self subclasses asSortedCollection:
- [ :a :b | (a name isNil or: [ b name isNil ])
- ifTrue: [ true ]
- ifFalse: [ a name <= b name ] ].
- mySubclasses do:
- [ :subclass | subclass class ~~ Metaclass
- ifTrue: [ subclass printSubclasses: level + 1 ] ]
- !
-
- indentToLevel: level
- level timesRepeat:
- [ stdout next: (self hierarchyIndent) put: Character space ]
- !
-
- hierarchyIndent
- ^4
- !!
-
- Object printHierarchy!
-